LG WD-15517RD Service Manual ▷ View online
28
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Connector
Connector
Hose Connector
(Water circulation
& Steam Nozzle)
Hose
SB
SB
BL
YL
BL
BL
YL
WH
WH
WH
WH
WH
SB
RD
RD
BL
RD
YL
BK
BK
WH
SB
WILL NOT CIRCULATE WATER
Is the impeller of the drain pump clogged?
Are the Hose Connector and/or Hose clogged?
Is the connector disconnected, disassembled?
Is the coil of the right side of drain pump open
or short circuited? (Coil R is 18-30
or short circuited? (Coil R is 18-30
Ω)
When checking voltage between the
connectors during spin, is the voltage 120/127 V
AC, as the figure?
connectors during spin, is the voltage 120/127 V
AC, as the figure?
Remove foreign material.
Remove foreign material.
Reconnect or repair
the connector.
the connector.
Replace PUMP MOTOR
ASSEMBLY.
ASSEMBLY.
Replace the MAIN PWB
ASSEMBLY.
ASSEMBLY.
29
(1)
(2)
SB
SB
BL
YL
BL
BL
YL
WH
WH
WH
WH
WH
SB
RD
RD
BL
RD
YL
BK
BK
WH
SB
SB
SB
BL
YL
BL
BL
YL
WH
WH
WH
WH
WH
SB
RD
RD
BL
RD
YL
BK
BK
WH
SB
SPIN TROUBLE
Check the SENSOR SWITCH
ASSEMBLY or HOSE (Pressure).
If the problem is on the SENSOR
SWITCH ASSEMBLY or the
HOSE, replace the SENSOR
SWITCH ASSEMBLY or the
HOSE.
ASSEMBLY or HOSE (Pressure).
If the problem is on the SENSOR
SWITCH ASSEMBLY or the
HOSE, replace the SENSOR
SWITCH ASSEMBLY or the
HOSE.
Normal
Correct the connection.
Replace the STATOR
ASSEMBLY
ASSEMBLY
Check during spin if the frequency of the water
level is 248 or more.
level is 248 or more.
Press the START/PAUSE button 2 times in QC
Test mode, is the drum spinning at low speed?
Test mode, is the drum spinning at low speed?
Is it disconnected, or disassembled?
[Red: 3pin (1), NA: 4pin (2)]
[Red: 3pin (1), NA: 4pin (2)]
Check the motor connector, Is the resistance of
the terminal the same as the figure?
MOTOR TERMINAL
the terminal the same as the figure?
MOTOR TERMINAL
Resistance of terminal:
- / - / - : About 5
Ω-15 Ω
Replace the MAIN PWB ASSEMBLY
Does the spring of Latch Hook actuate?
Is there clicking sound once or twice when the
START/ PAUSE button is pressed to start the cycle?
START/ PAUSE button is pressed to start the cycle?
Is DOOR SWITCH ASSEMBLY broken?
Replace Door Assembly.
Check the DOOR SWITCH
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
(Red 3 pin, Yellow 4 pin and
white 3 pin connector (1)).
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
(Red 3 pin, Yellow 4 pin and
white 3 pin connector (1)).
Replace the DOOR
SWITCH ASSEMBLY.
SWITCH ASSEMBLY.
30
Disassemble the cabinet cover and
condensing bellows.
Is there any foreign object in the condensing
bellows.
condensing bellows.
Is there any foreign object in the condensing
bellows.
Clean the bellows
ERROR DISPLAY
CHECK FOR DRY HEATER TROUBLE
CHECK FOR DRY FAN MOTOR TROUBLE
NO
YES
Replace the thermistor.
6322FR2046C :
Dry Duct
6322FR2046C :
Dry Duct
YES
NO
Disassemble the dry fan assembly and
dry duct upper, and remove foreign
objects in duct and fan.
dry duct upper, and remove foreign
objects in duct and fan.
Dry duct
Condensing
duct
duct
Condensing
bellows
bellows
Thermistor
Is the resistance of thermistors on dry duct
2.5k
2.5k
Ω ~180kΩ (at 100°C ~0°C).
31
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